| 摘要 |
R- and S-isomers of the compounds of formula (I) in which R1 is an unsubstituted or a mono or multi-substituted monocyclic aromatic residue or an unsubstituted or substituted five or six-membered heteroaromatic residue, R2 is an unsubstituted or mono or multi-substituted monocyclic aromatic residue or an unsubstituted or substituted five or six-membered heteroaromatic residue, R3 is hydrogen, -C=N or (a), and R4 is hydrogen or a C1-C6-alkyl residue. Process for producing them and medicaments containing these compounds and their pharmacologically acceptable salts, process for producing the compounds, medicaments containing these compounds for the treatment of heart and circulatory conditions and intermediates products to manufacture the compounds of formula (I). |
